Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 3, NWS La Crosse, WI

June 26, 1990La Crosse County, Vernon County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Jun 26, 1990, 6:25 PM CDT for La Crosse County, Vernon County, Wisconsin. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Jun 26, 1990, 6:25 PM CDT (23:25 UTC)
Expired
Jun 26, 1990, 7:00 PM CDT
In force
35 min
Issued by
NWS La Crosse, WI
Area
Whole counties

Counties La Crosse County, WI, Vernon County, WI

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 11.4 hours before the alert went out and 242 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 1990-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 611 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 1990-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
611 J/kg
Mixed-layer CIN
-224 J/kg
Mixed-layer LCL
1351 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMKE 262327
SVRLSE
WIC063-123-270000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
ISSUED BY MILWAUKEE/SULLIVAN WI
625 PM CDT TUE JUN 26 1990
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN WEST CENTRAL WISCONSIN
          ...LA CROSSE
IN SOUTHWEST WISCONSIN
          ...VERNON
 
NATIONAL WEATHER SERVICE RADAR DETECTED A SEVERE THUNDERSTORM IN
WESTERN LACROSSE COUNTY AT 610 PM ABOUT 15 MILES SOUTHEAST OF THE CITY
OF LACROSSE MOVING SOUTHEAST AT 30 MPH. STRONG WINDS..NICKEL
SIZE HAIL AND HEAVY RAIN HAVE BEEN REPORTED WITH THIS STORM.
 
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
D0ON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 26, 4:19 PM CDT, 2 hours 6 minutes before
MNZ-019-262145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ROCHESTER MN
405 PM CDT TUE JUN 26 1990

...STRONG THUNDERSTORM DEVELOPED IN SOUTHEAST MINNESOTA...

AT 4 00 PM...A STRONG THUNDERSTORM WITH TORRENTIAL RAIN AND DANGEROUS
LIGHTNING STRIKES...WAS INDICATED BY WEATHER RADAR TO BE NEAR THE TOWN
OF LEROY...26 MILES SOUTHEAST OF AUSTIN MN.

THIS THUNDERSTORM WAS MOVING SOUTH AT 40 MPH AND WILL BE MOVING INTO
NORTHEAST IOWA  BY 430 PM.

DAMAGING WINDS AND LARGE HAIL ARE ALSO POSSIBLE WITH THIS STORM.

ANOTHER LESS INTENSE THUNDERSTORM IS LOCATED IN HOUSTON COUNTY...ABOUT
15 MILES WEST OF CALEDONIA MN.  THIS THUNDERSTORM IS ALSO MOVING SOUTH
AT 40 MPH.

OTHER WIDELY SCATTERED SHOWERS AND THUNDERSTORMS MAY DEVELOP IN
SOUTHEAST MINNESOTA UNTIL SUNSET...WHEN THE THREAT OF PRECIPITATION
WILL DIMINISH.  THESE SHOWERS ARE DEVELOPING ALONG AND AHEAD OF A
WEAK COLD FRONT THAT PASSED THROUGH THE ROCHESTER AREA ABOUT 2 PM CDT.

IF YOU ARE DRIVING IN THE AREA OF THE THUNDERSTORMS...DO NOT ATTEMPT TO
CROSS FLOODED ROADS.  SMALL STREAMS MAY ALSO QUICKLY FILL AND OVERFLOW.
IF YOU LIVE NEAR SMALL STREAMS BE PREPARED TO MOVE TO HIGHER GROUND.

 WDB

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1990Every severe thunderstorm warning in 1990

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.